Usage Limits

This version of the Google Sheets API has a limit of 500 requests per 100 seconds per project, and
100 requests per 100 seconds per user. Limits for reads and writes are tracked separately.
There is no daily usage limit.

To view or change usage limits for your project, or to request an increase to
your quota, do the following:

If you don't already have a billing account
for your project, then create one.